Hey there, bargain hunter.

Something strange happened to Caterpillar last week. The stock dropped more than 6% in a single session. Not because of a bad earnings report. Not because a hyperscaler pulled a contract. Because of a regulatory note and a downgrade that arrived five days before the company reports.

That is worth sitting with.

Here is the situation heading into Tuesday morning.

Caterpillar ended Q1 2026 with a record backlog of about $63 billion, up roughly $11.5 billion, or 22%, sequentially, and about $35 billion, or 79%, higher than a year earlier. Every primary segment contributed. The order book for large reciprocating engines alone has grown more than 3.5 times since January 2024.

Q2 2026 results are due August 4, before the opening bell. Wall Street consensus is roughly $6.20 to $6.22 in EPS on about $19.2 billion of revenue.

Those are big numbers for a company this size. So why did the stock just get hit?

The Baird Problem

A major part of the selloff was tied to a note flagging regulatory headwinds for data center buildouts, plus valuation risk if the market starts pulling forward a 2027-2028 demand slowdown.

The immediate catalyst was New York Governor Kathy Hochul’s Executive Order No. 62, dated July 14, 2026. It directs the state’s Department of Environmental Conservation to hold in abeyance certain discretionary permits for construction or expansion of data centers that can consume 50 megawatts of energy or more, while the Department of Public Service develops a Generic Environmental Impact Statement and related findings. Practically, it is a permitting pause for qualifying projects, not a nationwide construction freeze.

Slight tangent here, but it matters: the argument is not that Caterpillar’s business breaks tomorrow. It is that investors may shift focus toward what orders look like when equipment supply expands and data center investment growth normalizes.

That is a valuation argument, not a business argument. Those are different things.

What the Business Actually Did in Q1

In Q1 2026, Caterpillar’s Power and Energy sales rose 22% to $7.031 billion. Within that, Power Generation sales increased 41% to $2.817 billion. Caterpillar attributed the increase to large reciprocating engines, turbines, and turbine-related services, primarily for data center applications.

On the Q1 2026 earnings call, management tied capacity expansion directly to data center power demand: the company raised its large reciprocating engine capacity target from 2x 2024 levels to nearly 3x 2024 levels. Since Caterpillar first announced capacity plans in January 2024, its large engine backlog has grown more than 3.5 times, with customers signing frame agreements that stretch into 2028.

Caterpillar has also said it is investing heavily in its large-engine footprint, and it has raised its 2030 Power Generation sales target from 2x to more than 3x the 2024 baseline.

These are not small bets. And the contracts backing them are real.

In April 2026, Caterpillar announced a framework agreement to supply PROPWR, the power services division of ProPetro Holding Corp., with up to 2.1 gigawatts of power generation assets to support data center (and other) customers.

The Number That Decides the Stock

Here is where it gets specific.

The bull and bear case for CAT do not actually hinge on whether the $63 billion backlog is real. It is. They hinge on whether the margins attached to that backlog hold up as the company converts orders into revenue at scale.

The Resource Industries segment presented the most challenging picture in Q1, with sales up 4% to $3.797 billion but segment profit dropping to $378 million. The segment profit margin fell to 10.0% from 17.0% in the prior year, with Caterpillar attributing the decline mainly to higher tariff-driven manufacturing costs that hit this segment hard.

If Resource Industries recovers above 13% operating margin in Q2 while Power and Energy sustains its roughly 20%-plus segment margin, the structural re-rating thesis holds. If margins stay compressed, you have a different story.

On the tariff side, management said it expected Q2 tariff costs of around $700 million. The company also estimated full-year 2026 tariff costs in the $2.2 billion to $2.4 billion range, down from the prior quarter’s $2.6 billion estimate.

What the Street Is Saying

This is where the divergence is interesting.

Citi analyst Kyle Menges raised his price target on CAT to $1,100 from $1,020, maintaining a Buy rating. Oppenheimer raised its target to $1,105 from $980, keeping an Outperform rating ahead of the Q2 report.

So the majority view is that the regulatory risk is real but early. The stock is down, but the consensus has not followed in a big way.

The options market is pricing a move of roughly 6% on earnings day. That is not an extreme number for a company this size with this much riding on a single report.

The Bigger Context

The bottleneck for AI infrastructure has been shifting. For years, the industry focused on compute capacity, but now power availability is becoming just as critical. The International Energy Agency estimates that global data center electricity consumption will more than double by 2030, from about 415 TWh in 2024 to around 945 TWh.

CAT’s large reciprocating engines and turbines sit directly in that bottleneck.

The interesting thing about Caterpillar’s position is that it is not competing with Nvidia for AI dollars. It is competing with the electrical grid. That is a very different risk profile.

The Honest Valuation Problem

The bear case is not fabricated. The stock trades at roughly the high-40s on trailing earnings and the high-30s on forward earnings, depending on the quote source and the day. Cummins, often treated as a closest peer in power generation, trades at a meaningfully lower forward multiple, which is the market telling you CAT is being valued like a different kind of company.

That premium holds if the backlog stays firm and Power and Energy keeps converting orders into high-margin services revenue. It compresses fast if margins disappoint or hyperscaler spending on AI power visibly cools.

That last sentence is essentially what the cautious notes are warning about for 2027 and 2028. Not now. Later.

Which is exactly why Tuesday’s report matters so much. If Q2 delivers a clean earnings beat, strong Power and Energy margins, and a backlog that has not shrunk, it pushes the 2027 worry further down the road. If margins slip and management softens its language on conversion, the timeline starts to feel closer.

Quick Scorecard for Tuesday

• Revenue consensus: about $19.2 billion
• EPS consensus: about $6.20 to $6.22
• Power and Energy segment margin target: above 20% to maintain the re-rating thesis
• Resource Industries margin: watch for recovery above 13% from the Q1 trough of 10%
• Tariff guidance update: any reduction from the $2.2 to $2.4 billion full-year estimate is a tailwind
• Backlog size: does it hold around $63 billion or grow further?
• Management tone on 2027 orders: this is the area the cautious camp is most focused on
• Options implied move: roughly 6% (varies by day and strike)

The Bottom Line

Caterpillar is not cheap. It has never pretended to be. The stock re-rated because the market decided it was no longer a cyclical industrial but something closer to AI infrastructure with a yellow paint job.

That re-rating holds if Tuesday’s Power and Energy margin is clean and the backlog conversation stays constructive. It does not require hyperscaler spending to accelerate from here. It just requires it not to visibly slow.

The downgrade wave was not necessarily wrong. It was early. Whether Tuesday’s report buys the bulls another six months is the only question worth asking this week.

The numbers are out before the bell. Set your alarm.